Original oil and gas trade magazine vintage ad for ROCKWELL MANUFACTURING COMPANY. of Pittsburgh, PA Lubricant in Tubes a Success. Nordstrom Valves equipped with lube screws, just inset the tube spout in the shank and turn key until chamber is filled. Lubricant-Sealed for Positive Shut-Off. This unique 1953 old two-page gatefold petroleum oilfield and pipeline industry magazine advertisement would display beautifully matted and framed.